CN103654375A - Appliance for cooking food under pressure with a lightened lid - Google Patents
Appliance for cooking food under pressure with a lightened lid Download PDFInfo
- Publication number
- CN103654375A CN103654375A CN201310394598.2A CN201310394598A CN103654375A CN 103654375 A CN103654375 A CN 103654375A CN 201310394598 A CN201310394598 A CN 201310394598A CN 103654375 A CN103654375 A CN 103654375A
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- CN
- China
- Prior art keywords
- lid
- bowl
- cooking apparatus
- contact area
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0804—Locking devices
- A47J27/0813—Locking devices using a clamping ring or clamping segments
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
The invention refers to an appliance for cooking food under pressure with a lightened lid, at least comprising a bowl object with an upper rim; a lid used for covering the bowl object to form a sealed cooking chamber; at least one locking claw installed on the lid to radially move between a locking position and an unlocking position, wherein at the locking position, the lid is locked to the bowl object, and at the unlocking position, the lid can be taken off from the bowl object; the locking claw possesses a U-shaped cross section which defines an intermediate body, an upper wing and a lower wing; the upper wing is located above the lid, and the lower wing is used for jointing with the upper rim of the bowl object in a locking state, wherein the lid is provided with a structure allowing a first contact area between the lid and the upper wing of the claw, and the size of the lower wing of the claw conforms to the size of the upper rim of the bowl object, allowing a second contact area therebtween; when the locking claw us at the locking position, the first contact area is substantially just above the second contact area.
Description
Technical field
The present invention relates to the general technology field of food pressure cooking apparatus especially for household use, this pressure cooking appliance at least comprises bowl and for cover the lid of the cooking cavity sealing with formation on described bowl, described appliance design becomes to guarantee to cook safely under pressure the food holding in bowl.
The present invention relates more specifically to a kind of food pressure cooking apparatus, wherein at least comprises:
-be provided with the bowl of top edge,
-for cover the lid of the cooking cavity sealing with formation on bowl,
-at least one lock pawl, be mounted to and can between locked, move covering, in latched position, described cover lock fixes on described bowl, and at unlocked position, described lid can take off from bowl, described lock pawl has U-shaped cross-section, core body and upper limb and bottom wing in the middle of described U-shaped cross-section is limited with, described upper limb is positioned at the top of lid, and described bottom wing engages for the top edge of the bowl with under lock-out state.
Background technology
Known food pressure cooking apparatus, particularly for household use, for example, be all furnished with U-shaped lock pawl, can guarantee cover lock to fix on bowl, described pawl clamps the top edge of bowl in latched position, by its bottom wing, engage with the top edge of bowl.
Such known device is normally gratifying, and with regard to the locking of this utensil, the in the situation that of overvoltage or faulty operation, it provides good security.
Yet known equipment has number of drawbacks, particularly pressure cooker, when overvoltage condition is worked, lacks the defect of comprehensive control to the reaction stress producing.The stress relating to is really complicated, and the in the situation that of this high complexity, the change many times of stress is easy to interfere the control of reaction stress.
For fear of any risk of excessive deformation under overpressure situation, the thickness of related part (bowl, pawl and lid) is therefore systematically greater than required thickness conventionally, causes unnecessary extra cost and same unnecessary utensil weight.
Therefore in this field, there are such needs: object is, while causing operating accident subsequently when these cooking apparatus are operated under improper pressure state, can control better the different stress of interfering in food pressure cooking apparatus.
Summary of the invention
Therefore, the target of formulating to the present invention is to make above-mentioned various defects up, and has proposed a kind of cooking apparatus of new food pressure, has wherein controlled well the reaction stress under overpressure situation, has limited the weight of being out of shape and having alleviated lid.
Another object of the present invention is intended to propose a kind of new cooking apparatus, when optimizing non-deformability, has especially simplified design and structure.
Another object of the present invention is to have proposed a kind of new cooking apparatus, and it is optimized at the distortional stress under overpressure situation.
The target that the present invention formulates can also realize by a kind of food pressure cooking apparatus, and this utensil at least comprises:
-be provided with the bowl of top edge,
-for cover the lid of the cooking cavity sealing with formation on described bowl,
-at least one lock pawl, described lock pawl is mounted to and can between locked, moves radially described covering, in described latched position, described cover lock fixes on described bowl, at described unlocked position, described lid can take off from described bowl, described lock pawl has U-shaped cross-section, core body and upper limb and bottom wing in the middle of described U-shaped cross-section defines, and described upper limb is positioned at the top of lid, described bottom wing engages for the top edge of the described bowl with under lock-out state
-described lid is provided with the structure that allows to have between described lid and the upper limb of described pawl the first contact area, and
The bottom wing of-described pawl conforms to the size of the top edge of described bowl, to allow thering is the second contact area between the two, when described lock pawl is during in latched position, described the first contact area be located substantially on contact area described in second directly over.
Accompanying drawing explanation
Description with reference to the following drawings, the other features and advantages of the present invention that only provide by illustrative and nonrestrictive embodiment will become apparent:
-Fig. 1 shows according to the stereogram of the lid of pressure cooking appliance of the present invention, and described lid is used for covering on bowl to form food pressure cooking apparatus;
-Fig. 2 shows the partial sectional view according to pressure cooking appliance of the present invention, and wherein, described lock pawl is in the unlocked position;
-Fig. 3, in the partial sectional view similar to Fig. 2, shows according to the lock pawl of the pressure cooking appliance in latched position of the present invention, and, show the alignment of the reaction stress with regard to the pressure in described utensil.
The specific embodiment
Food pressure cooking apparatus according to the present invention comprises pressure cooking appliance, and this cooking apparatus preferably family uses, and as shown in FIG., at least comprises:
-be provided with the bowl 2 of top edge 3,
-for covering on bowl 2 to form the lid 4 of the cooking cavity of sealing.
As shown in the figure, by inserting pad 5 to obtain the cooking cavity of sealing, for example, this pad 5 is made by the elastomer of annular shape, and be for example provided with interlabium 6 at least one, by this way, sealing gasket 5 can lean against on top edge 3, and provide cover 4 and bowl 2 between sealing.Certainly can be in the situation that not departing from framework of the present invention, except shown in Fig. 2 and Fig. 3, it is also contemplated that the sealing gasket 5 of other geometries and characteristic.
Only in the mode of example, food pressure cooking apparatus according to the present invention comprises columnar bowl 2 substantially, with almost circular lid 4, it should be understood that, without departing from the present invention, as modification, bowl 2 and lid 4 can be any different geometries, especially for example oval.
In known manner, the main frame of bowl 2 and the lid 4 that formed by closed disk 30 is made by metal material, and as stainless steel, bowl 2 comprises the bottom (not shown) that is suitable for heat radiation.
Described food pressure cooking apparatus, also comprises the device of the lid on bowl for locking/unlocking, allows user to take away to cover 4 to take the content of described bowl, and is again closed.
For this object, described food pressure cooking apparatus also comprises described at least one lock pawl 7, this pawl 7 is arranged on movably and covers on 4, especially be arranged on dish 30, be positioned between the latched position (Fig. 3) and unlocked position (Fig. 2) of the lid 4 on bowl 2, at unlocked position, lid 4 can take off from bowl 2, described at least one pawl 7 has U-shaped cross-section, this U-shaped cross-section defines middle core body 8 and is positioned at upper limb 9 and the bottom wing 10 that covers 5 tops, and described bottom wing 10 is for engaging with the top edge 3 of bowl 2 in latched position.
As shown in the drawing, especially in Fig. 1, described lock/unlock device comprises at least one lock pawl 7, this lock pawl 7 is radially installed movably, and preferably include two pawls 7, described two pawls, in radially relative position, are radially arranged on and cover movably, vertical with the axis of symmetry XX' of the lid 4 of pressure cooker.
As a kind of modification, and without departing from the scope of the invention, according to food pressure cooking apparatus of the present invention, certainly can comprise single lock pawl 7, in contrast, can comprise the lock pawl 7 of the angled distribution of plurality object, preferably uniform on the girth of lid 4, and for example, two lock pawls 7 as described above, or three lock pawls, or four lock pawls, or even more.
In a well-known mode, the form of lock pawl 7 is the metallic plate of U-shaped profile, as noted above, as the circular arc or fan-shaped of circle, thereby when pawl 7 is during in latched position, when clamping the top edge 3 of bowl 2.According to the present invention, described lock pawl 7 comprises upper panel 9 and single bottom wing 10, and they extend in the fan-shaped whole length of pawl.As shown in the figure, lock pawl 7 can be included in the otch 7A in its core 8 and in bottom wing 10, makes by this way bottom wing form two half wings 10.As a kind of supplementary modification, upper limb 9 also can comprise center cutout, and comprises that two upper half wing 10(are not shown).
As preferred modification, when food pressure cooking apparatus according to the present invention comprises a pair of pawl 7 being arranged on the radially relative position that covers 4, provide the control device (not shown) of pawl displacement.
As schematically illustrated in Fig. 1, can comprise two actuating arms 12, these two actuating arms radially extend at Chao Gai center 13 from the central portion of the upper limb 9 of each lock pawl 7, and actuating arm 12 is connected to manual control part, knob or other, not shown.
The home position of each lock pawl 7 forms by inserting elastic recovery element (as being inserted in or several helical spring 14 between the free end 12A of each actuating arm 12).So, just obtained the elastic recovery of each lock pawl 7 towards its latched position.
In implication of the present invention, by mode easily, radially inwardly and radially outward distinguish, radially inwardly corresponding to radial direction or towards the direction of the central axis X X' of described utensil, for example, towards the center 13 of lid 4; And, radially outward towards utensil outside, that is, deviate from its center 13.
According to the present invention, in general mode, at least one described lock pawl 7 is radially installed movably by pawl shift controller, and this shift controller comprises the actuating arm 12 radially extending from upper limb 9 Chao Gai centers 13, and the control assembly that is connected to described actuating arm 12.
According to an important characteristic of the present invention, at lid, be provided with structure 15 on 4, structure 15 allow to cover 4 and the upper limb 9 of lock pawl 7 between contact zone, this contact zone is called as " the first contact zone ".Meanwhile, the bottom wing 10 of lock pawl 7 conforms to the size of the top edge 3 of bowl 2, to allow another independent contact area, is called as " the second contact zone " between these two parts (being bottom wing 10 and top edge 3).When described at least one lock pawl 7 is when latched position (Fig. 3), described the first contact area be roughly positioned at the second contact area directly over.
One of them of two contact areas be just in time positioned at another directly over, this geometrical arrangements makes when described utensil is in pressure lower time, the combined stress producing on the combined stress producing on the upper limb of pawl and the bottom wing of pawl aligns.
Therefore, according to the present invention, the ad hoc structure of lid 4, and the suitable size of each lock pawl 7, allow to obtain: when lock pawl 7 is during in latched position, two contact zones are along the axis L-L' vertical alignment that is arranged essentially parallel to axis X-X', when this allows cooking apparatus under pressure in pressure cooking appliance and the reaction stress producing in described pressure claw along axis L-L', align.
Therefore, directly align with the contact position of top edge 3 along the bottom wing 10 of axis and pawl 7 in the contact position of the upper limb 9 of this structural feature permission pawl 7, thereby avoid producing pseudo stress coupling, because the stress of all easy generations is all the axis L-L' direction along the first and second contact areas.
According to illustrated advantageous variant, lid 4 is circular, and the first contact zone is formed on the circular arc extending in the whole length of upper limb 9, and the second contact zone comprises two circular arcs, and these two circular arcs are limited by the fan-shaped length being formed by two lower half wings 10.
The establishment of two stack contact areas has caused a kind of structural configuration, and described structural configuration also allows, and on the one hand, strengthens cover 4 periphery, and the common pressure-bearing in this region is with containing pressure, on the other hand, has limited and has covered 4 distortion between pawl 7.
Finally, this structural configuration allows to optimize manufactures the amount of metal that pressure cooker will use, and has particularly reduced the thickness that covers 4, and has not therefore reduced its intrinsic non-deformability.
Preferably, described the first contact area forms contacting of linearity or substantial linear with the second contact area.
As shown at accompanying drawing, advantageously by the boss on lid 4, form structure 15, it is contacted with the lower surface linearity of the upper limb 9 of lid 4.In practice, structure 15 obtains by following manner, and dish 30 is out of shape on its whole edge, to form annular distortion, forms this boss, and its convex surface is towards the outside of lid 4 and dish 30.
As shown in drawings, boss 15 extends on lid 4 whole periphery, and away from the external margin 20 of lid 4, thereby but approaches this external margin this boss can be covered by pawl 7.
Also show, lid 4 comprises: reverse boss 21 is adjacent with boss 15 and in view of its inward direction elongated area between the boss 15He center 13 of lid 4 radially.
As shown in the figure, described reverse boss 21 has formed cannelure, and this groove is around its center 13, in the periphery extension of whole lid 4.
In a particularly advantageous mode, and as preferred modification, top edge 3 meets such mode, to be provided with radial edges 3A, this radial edges 3A radially extends from the sidewall of bowl 2, and described radial edges 3A is with stretch flange 3B ending, and the object on the distal edge edge of this stretch flange is: when described at least one pawl 7 is during in latched position, this distal edge, along engaging with bottom wing 10, forms the second linear contact with the vertical direction in the first linear contact position 15.
In general, compare with the lid of known pressure cooking appliance, the present invention allows to reduce to cover 4 thickness and does not reduce its drag.Therefore, lid 4 and bowl 2 are made by stainless steel, and pawl 7 too, covers 4 thickness that have lower than 1.2 millimeters, the conventional thickness of the lid 4 that this last value is prior art.In particularly advantageous mode, the thickness of described lid is in 1 millimeter.
As follows according to the operation of food pressure cooking apparatus of the present invention.
In bowl 2, pack into after food and its cook required a certain amount of water, user will cover 4 and cover to bowl 2, thereby close this utensil.Then, 4 in the position shown in Fig. 2, in this situation, there is not pressure in lid in described utensil, thereby may have little gap between the distal edge edge of stretch flange 3B and bottom wing 10.Then, the lock/unlock device that user discharges by this way: pawl 7 enters into the latched position shown in Fig. 3, by radially making pawl 7 enter its latched position (Fig. 3) to intrinsic displacement on direction F, in this position, pawl 7 clamp cap 4, the distal edge that bottom wing 10 enters into edge 3 on top along under position.
On this position, the second linear contact not yet realizes.Under the pressure-acting increasing gradually in cooking cavity inside, lid 4 bears the vertical pressure applying along direction V, by this way, bottom wing 10 so that with the distal edge of stretch flange 3B along close contact, thereby realize second linear contact relative with the position of the first linear contact.
So,, in operating process, because the inside according to pressure cooking appliance of the present invention exists pressure, obtained the complete matching of reaction stress.
Claims (11)
1. a food pressure cooking apparatus, at least comprises:
-be provided with the bowl (2) of top edge (3),
-upper to form the lid (4) of the cooking cavity of sealing for covering at described bowl (2),
-at least one lock pawl (7), described lock pawl is mounted to and can between locked, moves radially on described lid (4), in described latched position, described lid (4) is locked on described bowl (2), at described unlocked position, described lid (4) can take off from described bowl (2), described lock pawl (7) has U-shaped cross-section, core body (8) and upper limb (9) and bottom wing (10) in the middle of described U-shaped cross-section defines, described upper limb (9) is positioned at the top of lid (4), described bottom wing (10) engages for the top edge (3) of the described bowl (2) with under lock-out state,
It is characterized in that:
-described lid (4) is provided with the structure (15) that allows to have between described lid (4) and the upper limb (9) of described pawl (7) the first contact area, and
The size of the bottom wing (10) of-described pawl (7) and the top edge (3) of described bowl (2) conforms to, to allow to have the second contact area between the two, when described lock pawl (7) is during in latched position, described the first contact area be located substantially on contact area described in second directly over.
2. cooking apparatus according to claim 1, is characterized in that, described the first contact area and described the second contact area are linear contact area.
3. cooking apparatus according to claim 1 and 2, is characterized in that, described structure (15) is formed by the boss on described lid (4).
4. cooking apparatus according to claim 3, is characterized in that, described boss extends at the whole periphery of described lid (4), and away from the external margin (20) of described lid.
5. according to the cooking apparatus described in claim 3 or 4, it is characterized in that, described lid (4) comprises reverse boss (21), and described reverse boss is adjacent with described boss (15), and is located in the region of extending between described boss (15) and described Gai center (13).
6. according to the cooking apparatus described in any one in claim 1-5, it is characterized in that, described lock pawl (7) is mounted to by means of pawl shift controller and moves radially, and described pawl shift controller comprises the actuating arm (12) radially extending from upper limb (9) Chao Gai center (13) and the control member that is connected to described actuating arm (12).
7. according to the cooking apparatus described in any one in claim 1-6, it is characterized in that, described top edge (3) is provided with from the sidewall of described bowl (2) and extends and next radial edges (3A), described radial edges (3A) is ended up by stretch flange (3B), when described lock pawl (7) is during in latched position, the distal edge of described stretch flange engages with described bottom wing (10), to form described the second contact area (16) on the vertical direction at described the first contact area (15) place.
8. according to the cooking apparatus described in any one in claim 1-7, it is characterized in that, comprise two lock pawls (7), described lock pawl is mounted to radially relative on described lid (4).
9. according to the cooking apparatus described in any one in claim 1-8, it is characterized in that, described lid (4) and described bowl (2) are made by stainless steel, and the thickness of described lid is less than 1.2 millimeters.
10. cooking apparatus according to claim 8, is characterized in that, the thickness of described lid is about 1 millimeter.
11. according to the cooking apparatus described in any one in claim 1-10, it is characterized in that, described cooking apparatus is pressure cooking appliance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1258204 | 2012-09-03 | ||
| FR1258204A FR2994813B1 (en) | 2012-09-03 | 2012-09-03 | ALLOY PRESSED FOOD COOKING APPARATUS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103654375A true CN103654375A (en) | 2014-03-26 |
| CN103654375B CN103654375B (en) | 2017-07-21 |
Family
ID=47553232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310394598.2A Expired - Fee Related CN103654375B (en) | 2012-09-03 | 2013-09-03 | Food pressure cooking apparatus with light weight lid |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2716188B1 (en) |
| CN (1) | CN103654375B (en) |
| ES (1) | ES2607691T3 (en) |
| FR (1) | FR2994813B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117425421A (en) * | 2021-06-14 | 2024-01-19 | （株）酷晨 | Cooking device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3049840B1 (en) * | 2016-04-08 | 2019-04-05 | Seb S.A. | COOKER WITH COVER OPENING |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185752A (en) * | 1977-08-08 | 1980-01-29 | Pedro Basile | Pressure cooker lid fastening means |
| EP0139772A1 (en) * | 1983-08-25 | 1985-05-08 | AMC International Alfa Metalcraft Corporation AG | Pressure cooker |
| CN2390522Y (en) * | 1999-10-29 | 2000-08-09 | 广东顺兴不锈钢制品厂 | Clamping pressure cooker |
| CN2441414Y (en) * | 2000-09-12 | 2001-08-08 | 陈进财 | Pressure cooker |
| CN1604751A (en) * | 2001-12-19 | 2005-04-06 | 塞伯股份有限公司 | Lid for pressure cooking vessel with lightened jaws and cooking apparatus comprising |
| CN1638677A (en) * | 2002-03-08 | 2005-07-13 | 塞伯股份有限公司 | Food pressure-cooking device with rotary locking / unlocking controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0181712B1 (en) * | 1990-05-26 | 1999-03-20 | 호르스트 슐츠 | Cooking pot with improved locking structure |
-
2012
- 2012-09-03 FR FR1258204A patent/FR2994813B1/en not_active Expired - Fee Related
-
2013
- 2013-09-02 EP EP13182672.9A patent/EP2716188B1/en active Active
- 2013-09-02 ES ES13182672.9T patent/ES2607691T3/en active Active
- 2013-09-03 CN CN201310394598.2A patent/CN103654375B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185752A (en) * | 1977-08-08 | 1980-01-29 | Pedro Basile | Pressure cooker lid fastening means |
| EP0139772A1 (en) * | 1983-08-25 | 1985-05-08 | AMC International Alfa Metalcraft Corporation AG | Pressure cooker |
| CN2390522Y (en) * | 1999-10-29 | 2000-08-09 | 广东顺兴不锈钢制品厂 | Clamping pressure cooker |
| CN2441414Y (en) * | 2000-09-12 | 2001-08-08 | 陈进财 | Pressure cooker |
| CN1604751A (en) * | 2001-12-19 | 2005-04-06 | 塞伯股份有限公司 | Lid for pressure cooking vessel with lightened jaws and cooking apparatus comprising |
| CN1638677A (en) * | 2002-03-08 | 2005-07-13 | 塞伯股份有限公司 | Food pressure-cooking device with rotary locking / unlocking controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117425421A (en) * | 2021-06-14 | 2024-01-19 | （株）酷晨 | Cooking device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2994813B1 (en) | 2018-03-16 |
| CN103654375B (en) | 2017-07-21 |
| EP2716188B1 (en) | 2016-10-19 |
| FR2994813A1 (en) | 2014-03-07 |
| ES2607691T3 (en) | 2017-04-03 |
| EP2716188A1 (en) | 2014-04-09 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170721 |